JP2022545805A - 酸化セリウム複合粉末の分散組成物 - Google Patents
酸化セリウム複合粉末の分散組成物 Download PDFInfo
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- 229910000420 cerium oxide Inorganic materials 0.000 title claims abstract description 178
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical group [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 title claims abstract description 178
- 239000000843 powder Substances 0.000 title claims abstract description 104
- 239000002131 composite material Substances 0.000 title claims abstract description 97
- 239000006185 dispersion Substances 0.000 title claims abstract description 88
- 239000000203 mixture Substances 0.000 title claims abstract description 88
- 239000002245 particle Substances 0.000 claims abstract description 176
- 238000004458 analytical method Methods 0.000 claims description 19
- 238000002156 mixing Methods 0.000 claims description 10
- 238000002835 absorbance Methods 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 4
- 238000002834 transmittance Methods 0.000 claims description 4
- 238000005498 polishing Methods 0.000 abstract description 36
- 239000000758 substrate Substances 0.000 abstract description 12
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 25
- 230000000052 comparative effect Effects 0.000 description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- 238000000034 method Methods 0.000 description 13
- 239000000126 substance Substances 0.000 description 12
- 238000011156 evaluation Methods 0.000 description 7
- 239000002002 slurry Substances 0.000 description 7
- 238000003860 storage Methods 0.000 description 7
- 239000012153 distilled water Substances 0.000 description 6
- 239000002243 precursor Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 5
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 5
- UNJPQTDTZAKTFK-UHFFFAOYSA-K cerium(iii) hydroxide Chemical compound [OH-].[OH-].[OH-].[Ce+3] UNJPQTDTZAKTFK-UHFFFAOYSA-K 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- RAXXELZNTBOGNW-UHFFFAOYSA-N 1H-imidazole Chemical compound C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 239000012695 Ce precursor Substances 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 230000002776 aggregation Effects 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000001027 hydrothermal synthesis Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 229910000667 (NH4)2Ce(NO3)6 Inorganic materials 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- HKVFISRIUUGTIB-UHFFFAOYSA-O azanium;cerium;nitrate Chemical compound [NH4+].[Ce].[O-][N+]([O-])=O HKVFISRIUUGTIB-UHFFFAOYSA-O 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 2
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 description 2
- 230000002925 chemical effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000011258 core-shell material Substances 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000001238 wet grinding Methods 0.000 description 2
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 description 1
- RTBFRGCFXZNCOE-UHFFFAOYSA-N 1-methylsulfonylpiperidin-4-one Chemical compound CS(=O)(=O)N1CCC(=O)CC1 RTBFRGCFXZNCOE-UHFFFAOYSA-N 0.000 description 1
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- 239000005711 Benzoic acid Substances 0.000 description 1
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 1
- CKLJMWTZIZZHCS-REOHCLBHSA-N L-aspartic acid Chemical compound OC(=O)[C@@H](N)CC(O)=O CKLJMWTZIZZHCS-REOHCLBHSA-N 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 1
- 235000011054 acetic acid Nutrition 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 1
- JFCQEDHGNNZCLN-UHFFFAOYSA-N anhydrous glutaric acid Natural products OC(=O)CCCC(O)=O JFCQEDHGNNZCLN-UHFFFAOYSA-N 0.000 description 1
- 235000003704 aspartic acid Nutrition 0.000 description 1
- 235000010233 benzoic acid Nutrition 0.000 description 1
- OQFSQFPPLPISGP-UHFFFAOYSA-N beta-carboxyaspartic acid Natural products OC(=O)C(N)C(C(O)=O)C(O)=O OQFSQFPPLPISGP-UHFFFAOYSA-N 0.000 description 1
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- XMPZTFVPEKAKFH-UHFFFAOYSA-P ceric ammonium nitrate Chemical compound [NH4+].[NH4+].[Ce+4].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O XMPZTFVPEKAKFH-UHFFFAOYSA-P 0.000 description 1
- VYLVYHXQOHJDJL-UHFFFAOYSA-K cerium trichloride Chemical compound Cl[Ce](Cl)Cl VYLVYHXQOHJDJL-UHFFFAOYSA-K 0.000 description 1
- VGBWDOLBWVJTRZ-UHFFFAOYSA-K cerium(3+);triacetate Chemical compound [Ce+3].CC([O-])=O.CC([O-])=O.CC([O-])=O VGBWDOLBWVJTRZ-UHFFFAOYSA-K 0.000 description 1
- GHLITDDQOMIBFS-UHFFFAOYSA-H cerium(3+);tricarbonate Chemical compound [Ce+3].[Ce+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O GHLITDDQOMIBFS-UHFFFAOYSA-H 0.000 description 1
- KHSBAWXKALEJFR-UHFFFAOYSA-H cerium(3+);tricarbonate;hydrate Chemical compound O.[Ce+3].[Ce+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O KHSBAWXKALEJFR-UHFFFAOYSA-H 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 235000015165 citric acid Nutrition 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 239000001630 malic acid Substances 0.000 description 1
- 235000011090 malic acid Nutrition 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 230000037081 physical activity Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000005368 silicate glass Substances 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000009279 wet oxidation reaction Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09G—POLISHING COMPOSITIONS; SKI WAXES
- C09G1/00—Polishing compositions
- C09G1/02—Polishing compositions containing abrasives or grinding agents
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F17/00—Compounds of rare earth metals
- C01F17/20—Compounds containing only rare earth metals as the metal element
- C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
- C01F17/224—Oxides or hydroxides of lanthanides
- C01F17/235—Cerium oxides or hydroxides
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
- C09K3/1409—Abrasive particles per se
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
- C09K3/1454—Abrasive powders, suspensions and pastes for polishing
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
- C09K3/1454—Abrasive powders, suspensions and pastes for polishing
- C09K3/1463—Aqueous liquid suspensions
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/78—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by stacking-plane distances or stacking sequences
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/04—Particle morphology depicted by an image obtained by TEM, STEM, STM or AFM
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/10—Solid density
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- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
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- C01P2006/12—Surface area
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- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/22—Rheological behaviour as dispersion, e.g. viscosity, sedimentation stability
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
Description
ゼータサイザー(Zetasizer)分析時に50nm~180nmであるか、
マイクロトラック(Microtrac)分析時に60nm~350nmであるか、或いは
ルミサイザー(Lumisizer)分析時に30nm~70nmである。
ゼータサイザー(Zetasizer)分析時に70nm~150nm;又は100nm~110nmであるか、
マイクロトラック(Microtrac)分析時に120nm~200nm;又は170nm~185nmであるか、或いは
ルミサイザー(Lumisizer)分析時に30nm~50nm;又は35nm~45nmを満たすことができる。
(PD:溶液中のパウダー密度、PW:パウダー重量、PV:パウダー体積、SV:スラリー体積、WV:水体積、WW:水重量、WD:水密度、SW:スラリー重量)。
-パッド(Pad):IC1000TM A2 PAD 20'*1.18' ACAO:1Y10
-時間:60秒
-スピンドルスピード:85rpm
-Wafer pressure:5psi
-スラリー流量(Slurry flow rate):200cc/min
-Wafer:8インチ(PETEOS)
-Wafer thickness:20000Å
Claims (8)
- 平均粒径15nm以上の第1酸化セリウム粒子と、
平均粒径10nm以下の第2酸化セリウム粒子と、を含む分散組成物であって、
第1酸化セリウム粒子と第2酸化セリウム粒子の混合比は9.5:0.5~0.5:9.5(wt./wt.)である、CMP用酸化セリウム複合粉末の分散組成物。 - 第1酸化セリウム粒子と第2酸化セリウム粒子との混合比は6:4~4:6(wt./wt.)である、請求項1に記載のCMP用酸化セリウム複合粉末の分散組成物。
- 酸化セリウム複合粉末は、透過電子顕微鏡(TEM)分析時に、単位面積(横550nm及び縦550nm)あたり第1酸化セリウム粒子1個に対して平均的に第2酸化セリウム粒子50~19,000個を含む、請求項1に記載のCMP用酸化セリウム複合粉末の分散組成物。
- 酸化セリウム複合粉末の平均BET比表面積は50.00m2/g以上であることを特徴とする、請求項1に記載のCMP用酸化セリウム複合粉末の分散組成物。
- 酸化セリウム複合粉末の分散粒度(D50)は、
ゼータサイザー(Zetasizer)分析時に50nm~180nmであるか、
マイクロトラック(Microtrac)分析時に60nm~350nmであるか、或いは
ルミサイザー(Lumisizer)分析時に30nm~70nmであることを特徴とする、請求項1に記載のCMP用酸化セリウム複合粉末の分散組成物。 - 分散組成物の溶液中に含まれている酸化セリウム複合粉末の平均密度は1.0g/mL~2.95g/mLであることを特徴とする、請求項1に記載のCMP用酸化セリウム複合粉末の分散組成物。
- 酸化セリウム複合粉末の分散組成物において、酸化セリウム複合粉末が0.007wt.%の濃度となるように調整した後に測定した、波長450~600nmでの吸光度が0.02~0.19%であるか、或いは波長500nmでの透過度が70~90%であることを特徴とする、請求項1に記載のCMP用酸化セリウム複合粉末の分散組成物。
- 40℃で30日放置した後の平均粒度の変化が5%以下であることを特徴とする、請求項1に記載のCMP用酸化セリウム複合粉末の分散組成物。
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KR10-2020-0083681 | 2020-07-07 | ||
KR1020200083681A KR102453292B1 (ko) | 2020-07-07 | 2020-07-07 | 산화세륨 복합분말의 분산 조성물 |
PCT/KR2021/008650 WO2022010257A1 (ko) | 2020-07-07 | 2021-07-07 | 산화세륨 복합분말의 분산 조성물 |
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JP7393829B2 JP7393829B2 (ja) | 2023-12-07 |
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US (1) | US20230121006A1 (ja) |
EP (1) | EP4163345A1 (ja) |
JP (1) | JP7393829B2 (ja) |
KR (1) | KR102453292B1 (ja) |
CN (1) | CN114667328A (ja) |
WO (1) | WO2022010257A1 (ja) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20160009150A (ko) * | 2014-07-15 | 2016-01-26 | 에스케이하이닉스 주식회사 | 화학적 기계적 연마용 나노 세리아 슬러리 조성물 및 이의 제조방법 |
JP2016538359A (ja) * | 2013-10-10 | 2016-12-08 | キャボット マイクロエレクトロニクス コーポレイション | 混合研磨材の研磨組成物 |
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Publication number | Priority date | Publication date | Assignee | Title |
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WO1997029510A1 (fr) | 1996-02-07 | 1997-08-14 | Hitachi Chemical Company, Ltd. | Abrasif d'oxyde de cerium, microplaquette semi-conductrice, dispositif semi-conducteur, procede pour les produire et procede pour polir les substrats |
KR100674895B1 (ko) | 2000-07-18 | 2007-01-26 | 삼성전자주식회사 | 산화막 cmp용 슬러리 |
KR100599327B1 (ko) * | 2004-03-12 | 2006-07-19 | 주식회사 케이씨텍 | Cmp용 슬러리 및 그의 제조법 |
KR101406758B1 (ko) | 2012-12-11 | 2014-07-03 | 주식회사 케이씨텍 | 슬러리 조성물 및 이를 이용하여 기판 또는 웨이퍼를 연마하는 방법 |
KR20190068806A (ko) * | 2017-12-11 | 2019-06-19 | 주식회사 케이씨텍 | Cmp용 슬러리 조성물 |
CN115277336B (zh) | 2018-01-25 | 2023-07-28 | Lg电子株式会社 | 在无线通信系统中发送和接收nprach前导码的方法和设备 |
WO2019182061A1 (ja) | 2018-03-22 | 2019-09-26 | 日立化成株式会社 | 研磨液、研磨液セット及び研磨方法 |
KR20200062796A (ko) * | 2018-11-27 | 2020-06-04 | 주식회사 케이씨텍 | 구형의 연마입자를 포함하는 연마용 슬러리 조성물 |
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JP2016538359A (ja) * | 2013-10-10 | 2016-12-08 | キャボット マイクロエレクトロニクス コーポレイション | 混合研磨材の研磨組成物 |
KR20160009150A (ko) * | 2014-07-15 | 2016-01-26 | 에스케이하이닉스 주식회사 | 화학적 기계적 연마용 나노 세리아 슬러리 조성물 및 이의 제조방법 |
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CN114667328A (zh) | 2022-06-24 |
US20230121006A1 (en) | 2023-04-20 |
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